The action of canines concealing food items, often treats or bones, underground or within covered locations is a common behavior rooted in instinct. This activity typically involves using the nose to push the item into the desired location and then using the paws and nose to cover it with dirt, bedding, or other available material. A dog might, for example, hide a favorite chew toy under a pile of blankets.
This behavior has evolutionary origins, stemming from a time when canids needed to conserve resources in environments with fluctuating food availability. Burying food allowed ancestors of domestic dogs to safeguard surpluses against consumption by competitors or spoilage. The instinct remains present in modern dogs, even when food is consistently available, acting as a form of behavioral redundancy. Furthermore, the act of burying can provide mental stimulation and a sense of security for the animal.